Sendit WP Newsletter <= 2.5.1 - Authenticated (admin+) SQL Injection

published 2021-06-14 5y ago modified 2026-06-17 4mo ago also EUVD-2021-11258

cvss: 6.6; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits: 0; none known

The page lists-management feature of the Sendit WP Newsletter WordPress plugin through 2.5.1, available to Administrator users does not sanitise, validate or escape the id_lista POST parameter before using it in SQL statement, therefore leading to Blind SQL Injection.

Is CVE-2021-24345 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

1.34% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

wpscan.com https://wpscan.com/vulnerability/02ba4d8b-f4d2-42cd-9fae-b543e112fa04 referenced PoC, tagged "exploit" by a source, unverified
codevigilant.com https://codevigilant.com/disclosure/2021/wp-plugin-sendit/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	6.6	CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	6.0	AV:N/AC:M/Au:S/C:P/I:P/A:P

Affected products

Unknown Sendit WP Newsletter

Classification

Weakness

CWE-89 Improper Neutralization of Special Elements used in an SQL Command

Technology feeds

WordPress rss critical rss

References

wpscan.com /vulnerability/02ba4d8b-f4d2-42cd-9fae-b543e112fa04
exploit, third-party-advisory
codevigilant.com /disclosure/2021/wp-plugin-sendit/
exploit, third-party-advisory

Sources

CVE List CVE-2021-24345
NVD CVE-2021-24345

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.